64321152 has 64 divisors (see below), whose sum is σ = 195268800. Its totient is φ = 18376704.

The previous prime is 64321141. The next prime is 64321157. The reversal of 64321152 is 25112346.

64321152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (64321157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9277 + ... + 14652.

It is an arithmetic number, because the mean of its divisors is an integer number (3051075).

Almost surely, 2^64321152 is an apocalyptic number.

It is an amenable number.

64321152 is an abundant number, since it is smaller than the sum of its proper divisors (130947648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64321152 is a wasteful number, since it uses less digits than its factorization.

64321152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23953 (or 23941 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 64321152 is about 8020.0468826560. The cubic root of 64321152 is about 400.6679506506.

Adding to 64321152 its reverse (25112346), we get a palindrome (89433498).

The spelling of 64321152 in words is "sixty-four million, three hundred twenty-one thousand, one hundred fifty-two".